Hours after Pope Francis left New York's John F. Kennedy International Airport for Philadelphia, a man armed with a knife breached security hoping to "give the pope his business card," prosecutors said today.Chris Cannella, 39, a retired New York City firefighter, was driving a black Chevy Tahoe -- similar to Secret Service cars -- and pretending to be part of a VIP motorcade when he made it onto the tarmac Saturday night, according to court records.The pope had flown out of JFK that morning and was already in Philadelphia by the time the incident unfolded.